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Search tactics as means of examining search processes in collaborative exploratory web search

Yue, Z and Han, S and Jiang, J and He, D (2012) Search tactics as means of examining search processes in collaborative exploratory web search. In: UNSPECIFIED.

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Investigations on search processes can either be at macro-level or micro-level. The macro-level investigation focuses on establishing theoretical models while micro-level investigation focuses on the user actions. In this paper, we propose using search tactics as means of examining search processes in collaborative exploratory search, which can be seen as a middle layer between the macrolevel and micro-level. We reported a user study in which participants worked on exploratory Web search tasks using our CollabSearch system under two conditions: collaborative and individual. Using the two methods - action pairs and Hidden Markov Model (HMM) to model search tactics, we discovered some insights about the different patterns of search tactics that participants explored under collaborative and individual search conditions. In the future, we plan to improve the HMM model as a semi-automatic way to detect search tactics. In this study, we further analyze a particular search tactic - query reformulation in collaborative search and discovered the possible sources of new query terms. In the future, we plan to implement a query suggestion algorithm to better support team users' query reformulation tactics. This study provides some guidance for designers on the range of behaviors and activities that a collaborative search system should support. Further studies are needed to fully understand them. Copyright © 2012 ACM.


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Item Type: Conference or Workshop Item (UNSPECIFIED)
Status: Published
CreatorsEmailPitt UsernameORCID
Yue, Z
Han, S
Jiang, J
He, Ddah44@pitt.eduDAH440000-0002-4645-8696
Date: 7 December 2012
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: International Conference on Information and Knowledge Management, Proceedings
Page Range: 59 - 66
Event Type: Conference
DOI or Unique Handle: 10.1145/2389686.2389699
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Library and Information Science
Refereed: Yes
ISBN: 9781450317191
Date Deposited: 17 Jun 2013 15:55
Last Modified: 06 Sep 2019 13:58


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